\documentclass{ctexart}
\usepackage{booktabs}
\usepackage{tabu}
\usepackage{xcolor}
\usepackage{hyperref}

\taburowcolors [1] 2{green!25 .. yellow!50}
\taburulecolor |gray!50|{black} \arrayrulewidth=1mm

\begin{document}

\section{booktabs}
\begin{tabular}{llr}
\toprule
\multicolumn{2}{c}{Name} \\
\cmidrule(r){1-2}
First name & Last name & Grade \\
\midrule
John\\abc & Doe & $7.5$ \\
Richard & Miles & $2$\\
\bottomrule
\end{tabular}

\section{tabu}

\begin{table}[h]
\caption{Tabu Test}
\begin{tabu}{|X[1,l]|X[2,c]|X[3,c]|X[1,r]|}
Text & Text & Text & Text \\ 
Text & Text & Text & $a^2$ \\
Text & Text & Text & $a^2$ \\
Text & Text & Text & $a^2$
\end{tabu} 
\end{table}

see \ref{tbl:Test}

\begin{table}
\begin{center}
\caption{\label{tbl:Test}Test}
\leavevmode\hypertarget{tbl:Test}{}%
\begin{tabu}{X[1.93,c]X[1.29,l]}
\toprule
a & b \\
 \midrule
c & d \\
\bottomrule
\end{tabu}

\end{center}
\end{table}

\end{document}